docs: def _convert_entry(self, entry):
          """Convert entire journal entry utilising _convert_field."""
          result = {}
          for key, value in entry.items():
              if isinstance(value, list):
                  result[key] = [self._convert_field(key, val) for val in value]
              else:
                  result[key] = self._convert_field(key, value)
          return result